Scheduled + Reheat Mode; To Change The Domestic Hot Water Temperature - Daikin EKHWET120B V3 Series User Reference Manual

5.6.4 Scheduled + reheat mode

5.6.5 To change the domestic hot water temperature

EKHWET90+120B
R32 Split series – Domestic hot water tank
4P680076-1A – 2022.11
▪ During the morning, you consume hot water and the DHW tank temperature
decreases.
▪ At 14:00 the DHW tank is programmed to heat up the water to a preset value
(example: Eco = 50°C). Hot water is available again.
▪ During the afternoon and evening, you consume hot water again and the
DHW tank temperature decreases again.
▪ At 00:00 the next day, the cycle repeats.
In scheduled + reheat mode, the domestic hot water control is the same as in
scheduled mode. However, when the DHW tank temperature drops below a preset
value (=reheat tank temperature – hysteresis value; example: 35°C), the DHW tank
heats up until it reaches the reheat set point (example: 45°C). This ensures that a
minimum amount of hot water is available at all times.
Example:
T t
60°C
50°C
45°C
35°C
15°C
00:00
T Domestic hot water tank temperature
t
t Time
INFORMATION
The application of hysteresis (the amount of the temperature drop that will trigger
the heat up) might vary depending on whether the target temperature is within
operation range of the outdoor unit. Please consult with installer.
In Reheat only mode, you can use the tank temperature setpoint screen to read
out and adjust the domestic hot water temperature.
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